From d31a04dfb223fc807341a168693628864202b4de Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sat, 4 Nov 2017 10:35:26 -0700
Subject: [PATCH] Clarify that --setext-headers doesn't affect gfm output.

Closes #4035.
---
 MANUAL.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MANUAL.txt b/MANUAL.txt
index 7edc6b063..e9519b9b5 100644
--- a/MANUAL.txt
+++ b/MANUAL.txt
@@ -792,6 +792,7 @@ Options affecting specific writers
 
 :   Use ATX-style headers in Markdown and AsciiDoc output. The default is
     to use setext-style headers for levels 1-2, and then ATX headers.
+    (Note: for `gfm` output, ATX headers are always used.)
 
 `--top-level-division=[default|section|chapter|part]`